OBD Guide

P2002

Particulate Filter Efficiency Below Threshold Bank 1

P2002 is an OBD-II diagnostic trouble code meaning: Particulate Filter Efficiency Below Threshold Bank 1. Common causes: dpf clogged, malfunction of differential pressure sensors. Estimated repair cost: $167โ€“556.

Severity
๐Ÿ”ด High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$167โ€“556 (est.)

Symptoms

  • Increased fuel consumption
  • Reduced engine power
  • Check Engine Light Illuminates
  • Noticeable increase in exhaust smoke
  • Problems starting the engine

Causes

  • DPF clogged
  • Malfunction of differential pressure sensors
  • Problems with the DPF regeneration system
  • Low fuel quality
  • Mechanical damage to the filter

How to Fix

  1. Check the condition of the particulate filter
  2. Diagnose differential pressure sensors
  3. Perform forced DPF regeneration
  4. Check the fuel injection system
  5. If necessary, replace the particulate filter

Related codes

Error P2002 by Vehicle Brand

FAQ

What does the P2002 code mean?

P2002 is an OBD-II diagnostic trouble code that indicates: Particulate Filter Efficiency Below Threshold Bank 1

What causes a P2002 error code?

The most common causes of P2002 include: DPF clogged; Malfunction of differential pressure sensors; Problems with the DPF regeneration system; Low fuel quality.

How do I fix a P2002 diagnostic trouble code?

To fix P2002: Check the condition of the particulate filter. Diagnose differential pressure sensors. Perform forced DPF regeneration. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2002?

Limited driving only, diagnose soon

How much does it cost to fix P2002?

The estimated repair cost for P2002 is $167โ€“556. Actual cost depends on your vehicle, location, and labor rates.

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